The theory of constraints (TOC) is basically a management philosophy, which deals with making improvements in a given system or process. It is based on the premise that if a system or process is to be improved upon, then the first thing that needs to be done is to identify that vital component of the given system that most limits the entire process from achieving optimum efficiencies.

Six Sigma helps in improving quality and minimizing defects. However, organizations need to determine unfavorable matters that could surface in the course of the implementation. Usually, these matters have to be resolved by Six Sigma professionals like Black Belts that work with management to finishing the execution in the specified cost and time limit.

The voice of the customer is the core value of Six Sigma. Whenever Six Sigma operations are deployed with a calculated objective, the voice of the customer acts as the foundation.

Six Sigma initiatives ought to be used for marketing. There would not be a better way to explain the association between the needs and wants of a customer and the service/products a company provides than marketing. Nevertheless, there is inadequate data on the crucial Xs that affect the decision making process of purchasing.

The effectiveness of Six Sigma implementations in large corporate organizations has already been well documented, but if we were given a project to assess it's effectiveness in governmental agencies, we would certainly hit a roadblock because not much information is available as related to the effectiveness of Six Sigma implementations in the non-corporate world.

Six Sigma deployments in small businesses may have become quite common nowadays, but there was a time when many Six Sigma experts expressed doubts about the applicability of Six Sigma to small business.

Surprised? Well, don't be - because if you look closely you too can easily understand the applicability of this analogy. You have to look for the philosophy behind Six Sigma implementations, which often gets cloaked due to the sheer number of technicalities involved.

Today, Six Sigma is one of the most popular quality methods used in a wide variety organizations and functions. It employs a statistical unit of measurement for gauging the ability of the process, achieving flawless performance, and eventually, increasing customer satisfaction.

In today's global world, businesses no longer seem to have the privilege to man their operations from a single location. Due to increasing production and operational costs as well the shifting of world markets, most businesses are virtually being forced to set up operations at strategic locations worldwide.

Over the years, a wide range of organizations and industries have been effectively executing Six Sigma and Lean in engineering, manufacturing, as well as business processes such as customer service, administration, and finance. Sales departments are the latest addition to the lot. Even though it is the last business area to be added, it is already turning out to be of great value.